Arnold Schwarzenegger plays the tough guy on set with Sylvester Stallone and Harrison Ford… as new bodybuilding film is set for release

But fans don’t have to wait until The Expendables 3 his screens to see Arnold Schwarzenegger in all his glory.

For the actor will next be seen in a follow-up to 1977’s Pumping Iron, bodybuilding docudrama Generation Iron, which is slated for a September 20 release.

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‘Sly and I are having a great time!’ Arnold Schwarzenegger posted an Instagram snap of himself and Sylvester Stallone with the film’s director Patrick Hughes from the set of The Expendables 3 in Bulgaria

Micky Rourke narrates the film which also focuses on other big names in bodybuilding such as Phil Heath, Kai Greene, Branch Warren and Dennis Wolf, Lou Ferrigno and Jay Cutler.

It will be the ‘first major film focused on bodybuilding since Pumping Iron,’ writer and director Vlad Yudin said in a press release.

Speaking of the intention behind his film which will star 66-year-old Schwarzenegger himself, he added: ‘The bodybuilding sport is very misunderstood and has so many stereotypes associated with it.’

Roll call! Arnie posted another happy snap alongside Harrison Ford from the Bulgarian set where he sucked on a cigar

‘I really wanted to focus on the lives of these athletes and explore what motivates and inspires them both in this unique world and in their everyday lives.’